minor, aggregate days and weeks into time format specifiers (only to range limit them right after)
minor, aggregate days and weeks into time format specifiers (only to range limit them right after)

Signed-off-by: Sebastian Freundt <1f0829204b3475c52f714f96be4e7b39a87b6e74@ga-group.nl>

rudimeier/dateutils,rudimeier/dateutils,rudimeier/dateutils